Title:
AUTOMATIC VENTILATION SYSTEM
Document Type and Number:
Japanese Patent JPH0875201
Kind Code:
A
Abstract:
PURPOSE: To provide a system for ventilating indoor air safely and automatically to cope with the leakage of combustible gas, generation of poisonous gas and the like.
CONSTITUTION: The concentration of town gas is measured by a town gas alarm device 3, installed in a room, while the concentration of carbon monoxide gas is measured by a CO sensor 5. The measuring data from the town gas alarm device 3 and the CO sensor 5 are sent into a controller 7, installed at the outside of a room or the like. The controller 7 controls the opening and closing and/or the degree of opening of a ventilating small window 11, installed above a general window 9, automatically in accordance with the concentration or the changing rate of concentration of gas.
Inventors:
TANAKA TAKASHI
FURUKAWA HIDEKI
KANEKO ISAO
SUZUKI KIWAMU
FUJISAWA KAZUYA
MASUKO TOKUSHIGE
NAKAYAMA KANAKO
KOMAKI MICHINORI
MORITA SATORU
FURUKAWA HIDEKI
KANEKO ISAO
SUZUKI KIWAMU
FUJISAWA KAZUYA
MASUKO TOKUSHIGE
NAKAYAMA KANAKO
KOMAKI MICHINORI
MORITA SATORU
Application Number:
JP23045494A
Publication Date:
March 19, 1996
Filing Date:
August 31, 1994
Export Citation:
Assignee:
TOKYO GAS CO LTD
International Classes:
F24F7/007; (IPC1-7): F24F7/007
Attorney, Agent or Firm:
井上 誠一
Next Patent: VENTILATING AMOUNT CONTROLLER